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Gravity on the Moon

Enunciado: Determine the acceleration of gravity on the Moon knowing that if you drop an object from a height of 5 m, it takes 2.47 s to reach the ground. Español Idioma Inglés Solución: Data H = 5 m t = 2.47 s Resolution By applying the formula of the ...

Drops in fall free

Enunciado: A broken faucet lets out water drops every 1/4 of a second. If the faucet is just 3 meters above the ground, and if one drop falls in this very instant, determine what is the position of the drops still in the air at this moment. Español Idiom ...

Glass in free fall

Enunciado: A glass of water on the edge of a table falls towards the floor from a height of 1.5 m. Considering that gravity is 10 m/s 2, calculate: a) The time the glass is in the air. b) The velocity with which it impacts on the ground. Español Idioma I ...

Free fall from unknown height

Enunciado: A stone is dropped from a certain height. What will be the velocity of the stone after 8 seconds from the start of its fall if it never gets to touch the ground? What will the distance the stone traveled in that time? Español Idioma Inglés Sol ...

A rookie equilibrist

Enunciado: A rookie equilibrist is standing on a platform 12 meters above the ground. While practicing juggling with 2 balls, he stumbles and throws both balls at 9 m/s, however, he throws one up which we will call A and the other one down which we will ...

A launch of negligible mass

Enunciado: From a height of 40 meters an object of negligible mass is thrown downward with a velocity of 20 m/s. How long will it take to hit the ground? What will be its velocity on impact? Español Idioma Inglés Solución: It's a vertical launch mo ...

Vertical launch and free fall

Enunciado: A stone is let to free fall to the bottom of a cliff with a height of 80 m. A second later a second stone is thrown downward so that it reaches the bottom at the same time as the first one What was the launch velocity of the second stone? What ...

What do you know about motion composition?

Enunciado: Determine if the following statements are true or false: a) The circular motion is a rectilinear motion. b) Non-rectilinear motions can be described by means of rectilinear motions. c) A soccer head-butt can be studied as the composition of a ...

Initial height in horizontal launch

Enunciado: At what height, should you place a cannon capable of launching projectiles at an initial velocity of 230 km/h on the horizontal axis if you would like the projectiles to fall at a distance of 250 meters from where they are shot? Español Idioma ...

Initial distance in horizontal launch

Enunciado: Quarantine was declared in a passenger cruise ship due to a contagious viral intoxication. To help, the Red Cross sent a helicopter with a box full of drugs. Since the crew of the helicopter could not land on the ship, it is decided to drop th ...